I have to agree with ButtonMash. I was there yesterday as well (I am here for CES). Many of the games were in pretty rough shape.
The Addams was a mess. The chair kickout was terribly weak, and it was leaning to the left - I leveled it out a bit, but the game just played poorly.
The WH20, however, was in great shape, and played fast and smooth! Got a few replays on it.
I can understand the choice to put LEDs in the games from a maintenance point of view, but they just look gaudy.
Not that this will stop me from going again.